Aaron Choi
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.14 | AA+0.05s to AAA | 2026-02-21 | 2026 NCS SC SR Champs venue |
| 100 Freestyle | SCY | 47.63 | AAA+1.54s to AAAA | 2026-02-22 | 2026 NCS SC SR Champs venue |
| 200 Freestyle | SCY | 1:45.08 | AAA+3.59s to AAAA | 2026-02-20 | 2026 NCS SC SR Champs venue |
| 500 Freestyle | SCY | 4:48.09 | AAA+12.60s to AAAA | 2026-02-21 | 2026 NCS SC SR Champs venue |
| 1000 Freestyle | SCY | 9:54.91 | AAA+17.92s to AAAA | 2026-02-19 | 2026 NCS SC SR Champs venue |
| 1650 Freestyle | SCY | 16:49.08 | AAA+45.19s to AAAA | 2025-10-24 | 2025 MOR Kick Off venue |
| 50 Backstroke | SCY | 36.27 | +5.08s to B | 2020-02-28 | 2020 NI Champs Qualifier UNAC |
| 100 Backstroke | SCY | 52.13 | AAA+2.04s to AAAA | 2026-02-21 | 2026 NCS SC SR Champs venue |
| 200 Backstroke | SCY | 1:52.69 | AAA+3.10s to AAAA | 2026-02-22 | 2026 NCS SC SR Champs venue |
| 50 Breaststroke | SCY | 45.88 | +9.89s to B | 2020-02-08 | 2020 NI SYCH Last Chance Meet |
| 100 Breaststroke | SCY | 1:01.49 | AA+2.10s to AAA | 2026-02-20 | 2026 NCS SC SR Champs venue |
| 200 Breaststroke | SCY | 2:19.26 | A+4.37s to AA | 2025-11-16 | 2025 MOR Atlantic Invitational Meet venue |
| 50 Butterfly | SCY | 34.90 | +3.71s to B | 2020-02-08 | 2020 NI SYCH Last Chance Meet |
| 100 Butterfly | SCY | 50.92 | AAA+1.33s to AAAA | 2025-12-06 | ATOM Winter Invite 2025 venue |
| 200 Butterfly | SCY | 1:53.44 | AAA+1.85s to AAAA | 2025-12-07 | ATOM Winter Invite 2025 venue |
| 100 Individual Medley | SCY | 1:20.70 | 2020-02-28 | 2020 NI Champs Qualifier UNAC | |
| 200 Individual Medley | SCY | 1:55.48 | AAA+3.29s to AAAA | 2025-11-14 | 2025 MOR Atlantic Invitational Meet venue |
| 400 Individual Medley | SCY | 4:05.32 | AAA+3.83s to AAAA | 2025-12-06 | ATOM Winter Invite 2025 venue |
| 50 Freestyle | LCM | 25.10 | AAA+0.71s to AAAA | 2026-04-25 | 2026 NCAC Quad Meet venue |
| 100 Freestyle | LCM | 55.80 | AA+0.21s to AAA | 2025-07-13 | 2025 NC LC SR Championships venue |
| 200 Freestyle | LCM | 2:02.40 | AA+0.21s to AAA | 2026-04-25 | 2026 NCAC Quad Meet venue |
| 400 Freestyle | LCM | 4:28.48 | AA+7.89s to AAA | 2026-01-18 | NOVA LC Winter Invitational venue |
| 50 Backstroke | LCM | 43.23 | +5.84s to B | 2019-01-01 | 2019 Niagara Long Course Championships |
| 100 Backstroke | LCM | 1:02.68 | AA+0.79s to AAA | 2026-01-18 | NOVA LC Winter Invitational venue |
| 200 Backstroke | LCM | 2:15.72 | AA+0.93s to AAA | 2025-07-26 | 2025 NCAC Summer Tar Heel States venue |
| 50 Breaststroke | LCM | 33.78 | A+0.19s to AA | 2025-07-25 | 2025 NCAC Summer Tar Heel States venue |
| 100 Breaststroke | LCM | 1:14.46 | A+2.07s to AA | 2026-04-26 | 2026 NCAC Quad Meet venue |
| 50 Butterfly | LCM | 43.70 | +8.51s to B | 2019-06-29 | 2019 NI SYCH Super Circuit |
| 100 Butterfly | LCM | 58.51 | AAA+1.52s to AAAA | 2026-04-25 | 2026 NCAC Quad Meet venue |
| 200 Butterfly | LCM | 2:10.73 | AAA+3.54s to AAAA | 2025-07-12 | 2025 NC LC SR Championships venue |
| 200 Individual Medley | LCM | 2:13.79 | AAA+3.80s to AAAA | 2026-01-19 | NOVA LC Winter Invitational venue |
| 400 Individual Medley | LCM | 4:44.09 | AAA+5.00s to AAAA | 2026-01-17 | NOVA LC Winter Invitational venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.24 | flat | 200 Free Relay | 2020-02-29 | 2020 NI Champs Qualifier UNAC |
| 50 Freestyle | SCY | 35.17 | flying | 200 Free Relay (leg 3) | 2019-10-05 | 2019 NI - SYCH Kickoff Frenzy |
| 50 Backstroke | SCY | 50.71 | flat | 200 Medley Relay | 2020-03-01 | 2020 NI Champs Qualifier UNAC |
| 50 Butterfly | SCY | 34.93 | flying | 200 Medley Relay (leg 3) | 2020-03-08 | 2020 NI 12 & Under Championships (Golds) |
| 50 Freestyle | LCM | 37.30 | flying | 200 Medley Relay (leg 4) | 2019-07-20 | 2019 NI Niagara LSC LC Championships |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 17-18 · SCY
5086 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:48.09 | 845 |
| 200 BK SCY | 1:52.69 | 877 |
| 200 BR SCY | 2:19.26 | 667 |
| 200 FL SCY | 1:53.44 | 906 |
| 200 IM SCY | 1:55.48 | 878 |
| 400 IM SCY | 4:05.32 | 913 |
IMR 17-18 · SCY
4218 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:45.08 | 866 |
| 100 BK SCY | 52.13 | 824 |
| 100 BR SCY | 1:01.49 | 754 |
| 100 FL SCY | 50.92 | 896 |
| 200 IM SCY | 1:55.48 | 878 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 47.63
Front half 22.78s · back half 24.85s
200 Freestyle SCY 1:45.08
Front half 51.99s · back half 53.09s
500 Freestyle SCY 4:48.09
1000 Freestyle SCY 9:54.91
Front half 295.86s · back half 299.05s
1650 Freestyle SCY 16:49.08
100 Backstroke SCY 52.13
Front half 25.34s · back half 26.79s
200 Backstroke SCY 1:52.69
Front half 54.63s · back half 58.06s
100 Breaststroke SCY 1:01.49
Front half 29.24s · back half 32.25s
200 Breaststroke SCY 2:19.26
Front half 66.47s · back half 72.79s
100 Butterfly SCY 50.92
Front half 24.12s · back half 26.80s
200 Butterfly SCY 1:53.44
Front half 53.71s · back half 59.73s
100 Individual Medley SCY 1:20.70 split/total mismatch
Front half 37.64s · back half 43.06s
200 Individual Medley SCY 1:55.48
Front half 52.73s · back half 62.75s
400 Individual Medley SCY 4:05.32
Front half 115.64s · back half 129.68s
100 Freestyle LCM 55.80
Front half 26.32s · back half 29.48s
200 Freestyle LCM 2:02.40
Front half 60.52s · back half 61.88s
400 Freestyle LCM 4:28.48
Front half 62.93s · back half 205.55s
100 Backstroke LCM 1:02.68
Front half 30.36s · back half 32.32s
200 Backstroke LCM 2:15.72 RT 0.64s
Front half 65.25s · back half 70.47s
100 Breaststroke LCM 1:14.46
Front half 35.74s · back half 38.72s
100 Butterfly LCM 58.51
Front half 27.98s · back half 30.53s
200 Butterfly LCM 2:10.73
Front half 62.49s · back half 68.24s
200 Individual Medley LCM 2:13.79
Front half 63.30s · back half 70.49s
400 Individual Medley LCM 4:44.09
Front half 136.14s · back half 147.95s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.